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Finding the Fourth Proportional to 64,305.90, 88,741.19 and 35,625.50

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Solution

The fourth proportional to 64,305.90, 88,741.19 and 35,625.50 is: 49,162.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,305.90 : 88,741.19 = 35,625.50 : x
  2. Step 2: Convert to fraction form
    64,305.90/88,741.19 = 35,625.50/x
  3. Step 3: Cross multiply
    64,305.90x = 88,741.19 × 35,625.50
  4. Step 4: Simplify right side
    64,305.90x = 3,161,449,264.35
  5. Step 5: Solve for x
    x = 3,161,449,264.35/64,305.90
  6. Step 6: Final answer
    x = 49,162.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.